Figure 2. Measurements of lens mass and equatorial diameter. Mass (A) and equatorial diameter (B) of lenses from wild type and αA-R49C mutant mice determined using the proposed morphometric method. Error bars indicate standard deviation. Note that the calculated lens mass and equatorial diameter increased with age up to about 100 days in wild type and αA-R49C heterozygous but not in homozygous mutant mice.